diff options
Diffstat (limited to 'tools/firmware-utils/src/mktitanimg.c')
| -rw-r--r-- | tools/firmware-utils/src/mktitanimg.c | 1036 |
1 files changed, 0 insertions, 1036 deletions
diff --git a/tools/firmware-utils/src/mktitanimg.c b/tools/firmware-utils/src/mktitanimg.c deleted file mode 100644 index 654a6bd09b..0000000000 --- a/tools/firmware-utils/src/mktitanimg.c +++ /dev/null @@ -1,1036 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <libgen.h> -#include "mktitanimg.h" - - -struct checksumrecord -{ - unsigned int magic; - unsigned int chksum; /* The checksum for the complete header. - Excepting the - checksum block */ -}; -/*************************************************************************** - * void print_help(void) - ***************************************************************************/ -void print_help(void) -{ - static char* help_page[]= - { - "mknspimg version 1.0, Texas Instruments, 2004", - "Syntax:", - " mknspimg -o outfile -i image1 image2 -a align1 align2 [-v] [-b] [-p prod_id] [-r rel_id] [-s rel_name] [-f flags]", - "Example:", - " mknspimg -o nsp_image.bin -i kernel.bin files.img -a 0 4096", - "This generates 'nsp_image.bin' from two input files aligning first to 0 and second to 4096 bytes." - }; - - int num_lines = sizeof(help_page)/sizeof(char*); - int i; - for(i=0; i < num_lines; i++) { - printf("%s\n", help_page[i]); - } -} - -/*************************************************************************** - * void mknspimg_print_hdr(NSP_IMG_HDR* p_img_hdr) - ***************************************************************************/ -void mknspimg_print_hdr(struct nsp_img_hdr *hdr) -{ - struct nsp_img_hdr_chksum *chksum; - struct nsp_img_hdr_sections *section; - int i; - - printf("****************** NSP Image Summary ******************\n"); - printf("Magic: 0x%x\n", hdr->head.magic); - printf("Image Header Size: 0x%x bytes\n", hdr->head.hdr_size); - printf("Total Image Size: %d bytes\n", hdr->head.image_size); - printf("Product ID: 0x%x\n", hdr->head.prod_id); - printf("Release ID: 0x%x\n", hdr->head.rel_id); - printf("Version ID: 0x%x\n", hdr->head.version); - - printf("Offset Info: 0x%x\n", hdr->head.info_offset); - printf("Offset Sect info: 0x%x\n", hdr->head.sect_info_offset); - printf("Offset Sections: 0x%x\n", hdr->sect_info.sections_offset); - - chksum=(struct nsp_img_hdr_chksum *)(hdr+hdr->head.chksum_offset); - printf("Header Checksum: 0x%x\n", chksum->hdr_chksum); - - printf("+++ Section Information +++\n"); - printf("# of sections: %u\n", hdr->sect_info.num_sects); - section=&(hdr->sections); - for(i = 0; i < hdr->sect_info.num_sects; i++, section++) { - printf("+++++ Section %d +++++\n", i); - printf("Total size: %u bytes\n", section->total_size); - printf("Raw Size: %u bytes\n", section->raw_size); - printf("Offset: 0x%x\n", section->offset); - printf("Type: 0x%x\n", section->type); - printf("Name: %s\n", section->name); - } - printf("*******************************************************\n"); -} - -CMDLINE_CFG cmd_line_cfg = -{ - { - /* MIN MAX FLAGS OPTION */ - { 2, 2, (CMDLINE_OPTFLAG_ALLOW | CMDLINE_OPTFLAG_MANDAT) }, /* '-a' align1 align2 */ - { 0, 0, CMDLINE_OPTFLAG_ALLOW }, /* '-b' bootstrap */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-c' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-d' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-e' */ - { 1, 1, CMDLINE_OPTFLAG_ALLOW }, /* '-f' flags */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-g' */ - { 1, 1, CMDLINE_OPTFLAG_ALLOW }, /* '-h' */ - { 2, 2, (CMDLINE_OPTFLAG_ALLOW | CMDLINE_OPTFLAG_MANDAT) }, /* '-i arg1 arg2 ' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-j' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-k' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-l' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-m' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-n' */ - { 1, 1, (CMDLINE_OPTFLAG_ALLOW | CMDLINE_OPTFLAG_MANDAT) }, /* '-o arg' */ - { 1, 1, CMDLINE_OPTFLAG_ALLOW }, /* '-p' PROD_ID */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-q' */ - { 1, 1, CMDLINE_OPTFLAG_ALLOW }, /* '-r' REL_ID */ - { 1, 1, CMDLINE_OPTFLAG_ALLOW }, /* '-s' "Release XXX.XXX" */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-t' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-u' */ - { 0, 0, CMDLINE_OPTFLAG_ALLOW }, /* '-v' control VERBOSE/NON-VERBOSE mode */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-w' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-x' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* '-y' */ - { 0, 0, !CMDLINE_OPTFLAG_ALLOW } /* '-z' */ - }, - { 0, 0, !CMDLINE_OPTFLAG_ALLOW }, /* global arguments */ -}; - -/*************************************************************************** - * int nsp_img_write(void* image, char* file, int padding) - * Write out the image. - ***************************************************************************/ -int main(int argc, char* argv[], char* env[]) -{ - FILE* nsp_image = NULL; - int header_version=1; - int cmdline_err; - char* cmdline_error_msg; - - char* filen_out; - - int i,count; /* loop variables */ - int num_sects = 2; /* We require exactly two image with -i option - (see CMDLINE_CFG structure above) */ - int total = 0; - - int header_size=0; - struct nsp_img_hdr_head *img_hdr_head; /* Start of image header */ - struct nsp_img_hdr_info *img_hdr_info; - struct nsp_img_hdr_section_info *img_hdr_section_info ; - struct nsp_img_hdr_sections *img_hdr_sections, *section; /* Section pointers */ - - - /* Configure the command line. */ - cmdline_configure(&cmd_line_cfg); - - /* Read and parse the command line. */ - cmdline_err = cmdline_read(argc, argv); - - /* Check for parsing errors. */ - if(cmdline_err != 0) { - /* Get the parse error message */ - cmdline_error_msg = cmdline_error(cmdline_err); - - /* Print it out */ - printf("%s\n", cmdline_error_msg); - - /* Print our help too */ - print_help(); - return -1; - } - if(cmdline_getopt_count('h') > 0) - { - header_version=atoi(argv[cmdline_getarg(cmdline_getarg_list('h'),0)]); - } - /* Set up arguments */ - filen_out = argv[cmdline_getarg(cmdline_getarg_list('o'),0)]; - /* Command line arguments have been parsed. Start doing our work. */ - - /* Caculate the header size, and allocate the memory, and assign the sub pointers */ - header_size = sizeof(struct nsp_img_hdr_head) + /* This has a single section - desc block already */ - (header_version==1?0:4) + - sizeof(struct nsp_img_hdr_info) + - sizeof(struct nsp_img_hdr_section_info) + - sizeof(struct nsp_img_hdr_sections) * num_sects ; - - img_hdr_head = (struct nsp_img_hdr_head *)malloc(header_size); - memset(img_hdr_head, 0x0, header_size); - img_hdr_info = (struct nsp_img_hdr_info*)((char *)img_hdr_head + sizeof(struct nsp_img_hdr_head) + (header_version==1?0:4)); - img_hdr_section_info = (struct nsp_img_hdr_section_info*)((char *)img_hdr_info + sizeof(struct nsp_img_hdr_info)); - img_hdr_sections = (struct nsp_img_hdr_sections*)((char *)img_hdr_section_info + sizeof(struct nsp_img_hdr_section_info)); - section = img_hdr_sections; - memset(img_hdr_head, 0xff, (void*)img_hdr_info - (void*)img_hdr_head); - - img_hdr_head->hdr_version = header_version; - img_hdr_head->hdr_size = header_size; - img_hdr_head->info_offset = (void*)img_hdr_info - (void*)img_hdr_head; - img_hdr_head->sect_info_offset = (void*)img_hdr_section_info - (void*)img_hdr_head; - - img_hdr_section_info->num_sects = num_sects; - img_hdr_section_info->sect_size = sizeof(struct nsp_img_hdr_sections); - img_hdr_section_info->sections_offset = (void*)img_hdr_sections - (void*)img_hdr_head; - -/* chksum = (struct nsp_img_hdr_chksum *) - ((unsigned int)image_hdr + header_size - sizeof(struct nsp_img_hdr_chksum));*/ - - /* Open the out file */ - nsp_image = fopen(filen_out,"wb+"); - if(nsp_image==NULL) { - printf("ERROR: can't open %s for writing.\n", filen_out); - return -1; - } - - /* Skip image header. We'll come back to it after we've written out the images. */ - fseek(nsp_image,header_size,SEEK_SET); - total = ftell(nsp_image); - total = header_size; - printf("total=%x\n",total); - { - int align; - int padding; - char * buf; - align = (header_version==1?0x10000:0x4000); - if(align==0) { - /* The user indicated no padding */ - padding = 0; - } else { - /* Calculate number padding bytes */ - if((total %align) ==0) - padding=0; - else - padding = align - (total % align); - } - if(padding>0) - { - buf=malloc(padding); - memset(buf, 0xff, padding); - if(fwrite((void*)buf,1,padding,nsp_image)!=padding) { - printf("ERROR: can't write to %s.\n", filen_out); - free(buf); - fclose(nsp_image); - return -1; - } - free(buf); - - } - total+=padding; - - - } - /* Write out all specified images (with -i option) */ - for(i=0; i < num_sects; i++) { - char* file_name; /* input file name */ - FILE* filep; /* input file pointer */ - int padding; /* number of padding bytes to prepend */ - int align; /* align factor from command line */ - int result; /* intermediate result */ - char * buf; - - /* Open the specified image for reading */ - file_name = argv[cmdline_getarg(cmdline_getarg_list('i'),i)]; - filep = fopen(file_name, "rb"); - if(filep==NULL) { - printf("ERROR: can't open file %s for reading.\n", file_name); - return -1; - } - section->flags = ~0x00; - /* Determine file size */ - fseek(filep,0,SEEK_END); - section->raw_size=ftell(filep); - fseek(filep,0,SEEK_SET); - cs_calc_sum(filep,(unsigned long *)§ion->chksum,0); - fseek(filep,0,SEEK_SET); - - /* Retrieve the alignment constant */ - /* Set image offset from the beginning of the out file */ - section->offset=total;// + padding; - - //total += padding; - - /* Copy the image file into nsp_image */ - count = section->raw_size; - buf=malloc(count); - result=fread(buf, 1, count, filep); - fwrite(buf, 1, result, nsp_image); - free(buf); - - /* HACK: This is a hack to get the names and types to the files. - TODO: Fix this to be a real method */ - if(i==0){ - section->type=NSP_IMG_SECTION_TYPE_KERNEL; - strncpy(section->name, "kernel", 16); - } else if(i==1){ - section->type=NSP_IMG_SECTION_TYPE_FILESYSTEM_ROOT; - strncpy(section->name, "root", 16); - } - - /* Account for the total */ - align = strtoul(argv[cmdline_getarg(cmdline_getarg_list('a'),i)],NULL,0); - if(i==0){ - if(align==0 || (((section->raw_size+ section->offset)%align)==0)) - padding=0; - else - padding = align - ((section->raw_size+ section->offset) % align); - - section->total_size=section->raw_size + padding; - } - else{ - #define EXTRA_BLOCK 0x10000 - unsigned int squash_padding; - squash_padding = EXTRA_BLOCK - section->raw_size % EXTRA_BLOCK; - buf=malloc(EXTRA_BLOCK + 4); - memset(buf, 0, squash_padding); - fwrite(buf, 1, squash_padding, nsp_image); - memset(buf, 0, EXTRA_BLOCK + 4); - *((unsigned int *)buf)=0xdec0adde; - *((unsigned int *)(buf+EXTRA_BLOCK))=0xdec0adde; - fwrite(buf, 1, EXTRA_BLOCK+4, nsp_image); - free(buf); - - if(align==0 || (((section->raw_size + (EXTRA_BLOCK + 4 + squash_padding)) %align)==0)) - padding=0; - else - padding = align - ((section->raw_size + (EXTRA_BLOCK + 4 + squash_padding)) % align); - section->total_size=section->raw_size + (EXTRA_BLOCK + 4 + squash_padding) + padding; - } - if(padding>0){ - buf=malloc(padding); - memset(buf, 0xff, padding); - fwrite(buf, 1, padding, nsp_image); - free(buf); - } - printf("*****padding is %d\ttotal_size=%d\traw_size=%d\n",padding, section->total_size, section->raw_size); - - //total += section->raw_size; - total = section->total_size + section->offset; - printf("total=0x%x\n",total); - /* Close the input file */ - fclose(filep); - - /* Move the section pointer to the next slot */ - section++; - } - - /* Take care of the NSP image header fields */ - - /* head fields */ - img_hdr_head->magic = NSP_IMG_MAGIC_NUMBER; - img_hdr_head->boot_offset = img_hdr_sections->offset; - img_hdr_head->flags = ~0x00; /* Set to all 1's */ - - if(cmdline_getopt_count('b')) - img_hdr_head->flags &= ~(NSP_IMG_FLAG_FAILBACK_5 | NSP_IMG_FLAG_FAILBACK_1); - - if(cmdline_getopt_count('f')) - img_hdr_head->flags = strtoul(argv[cmdline_getarg(cmdline_getarg_list('f'),0)], 0, 16); - -#if 0 - img_hdr_head->hdr_version = 2; - img_hdr_head->hdr_size = header_size; -#endif - - if(cmdline_getopt_count('p')) - img_hdr_head->prod_id = strtoul(argv[cmdline_getarg(cmdline_getarg_list('p'),0)], 0, 16); - else - img_hdr_head->prod_id = 0x4C575943; - - if(cmdline_getopt_count('r')) - img_hdr_head->rel_id = strtoul(argv[cmdline_getarg(cmdline_getarg_list('r'),0)], 0, 0); - else - img_hdr_head->rel_id = 0x10203040; - - if(cmdline_getopt_count('s')) - img_hdr_head->version = strtoul(argv[cmdline_getarg(cmdline_getarg_list('s'),0)], 0, 0); - else - img_hdr_head->version = 0x0b040000; - img_hdr_head->image_size = total; -#if 0 - img_hdr_head->info_offset = (unsigned int)(&(image_hdr->info)) - - (unsigned int)image_hdr; - img_hdr_head->sect_info_offset= (unsigned int)(&(image_hdr->sect_info)) - - (unsigned int)image_hdr; -#endif -// image_hdr->head.chksum_offset = (unsigned int)chksum - (unsigned int)image_hdr; - img_hdr_head->chksum_offset = 0xffffffff; -// image_hdr->head.pad1 = 0xffffffff; - /* info fields */ - /* TODO: Fix. Do nothing yet */ -// strncpy(nsp_img_hdr.id.prod_info,NSP_PRODINFO_STRING,sizeof(NSP_PRODINFO_STRING)); - strcpy(img_hdr_info->image_filename, (const char *)basename(filen_out)); - /* section fields */ -#if 0 - img_hdr_section_info->num_sects= num_sects; - img_hdr_section_info->sect_size= sizeof(struct nsp_img_hdr_sections); - img_hdr_section_info->sections_offset= (unsigned int)(&(image_hdr->sections)) - - (unsigned int)image_hdr; -#endif - - /* Calculate checksum(s) */ -#if 0 - chksum->hdr_chksum = cs_calc_buf_sum((char*)image_hdr, - header_size - sizeof(struct nsp_img_hdr_chksum)); -#endif - /* Write out the NSP header. */ - fseek(nsp_image,0,SEEK_SET); - count = fwrite((void*)img_hdr_head, header_size, 1, nsp_image); - if(count!=1) { - printf("ERROR: can't write to %s.\n", filen_out); - return -1; - } - - /* Check if -v option was specified (no arg needed) */ - if(cmdline_getopt_count('v') > 0) - { - struct nsp_img_hdr_head head; - struct nsp_img_hdr *hdr; - - /* Rewind the file back to the beginning */ - fseek(nsp_image,0,SEEK_SET); - - /* Read header from the file */ - fread((void*)&head, sizeof(struct nsp_img_hdr_head), - 1, nsp_image); - - /* Get memory to store the complete header */ - hdr = (struct nsp_img_hdr *)malloc(head.hdr_size); - - /* Read header from the file */ - fseek(nsp_image,0,SEEK_SET); - fread((void*)hdr, head.hdr_size, 1, nsp_image); - - /* Print it out */ - mknspimg_print_hdr(hdr); - printf("Generated total %d bytes\n",total); - free(hdr); - } - - free(img_hdr_head); - - { - struct checksumrecord cr; - cr.magic=CKSUM_MAGIC_NUMBER; - cs_calc_sum(nsp_image, (unsigned long *)&cr.chksum, 0); - fseek(nsp_image,0, SEEK_END); - fwrite(&cr, 1, sizeof(cr), nsp_image); - } - { - FILE * non_web; - char fname[256]; - char * img_buf; - unsigned int len; - strcpy(fname, filen_out); - strcat(fname, ".non_web"); - non_web = fopen(fname,"wb+"); - fseek(nsp_image, 0, SEEK_END); - len = ftell(nsp_image); - img_buf=malloc(len); - fseek(nsp_image, 0, SEEK_SET); - fread(img_buf, 1, len, nsp_image); - img_buf[0xb] = 0x17; - fwrite(img_buf, 1, len-sizeof(struct checksumrecord), non_web); - fclose(non_web); - free(img_buf); - } - /* Close NSP image file */ - fclose(nsp_image); - - /* return result */ - return(0); -} - -#ifdef DMALLOC -#include <dmalloc.h> -#endif /* DMALLOC */ - -#define BUFLEN (1 << 16) - -static unsigned long crctab[256] = -{ - 0x0, - 0x04C11DB7, 0x09823B6E, 0x0D4326D9, 0x130476DC, 0x17C56B6B, - 0x1A864DB2, 0x1E475005, 0x2608EDB8, 0x22C9F00F, 0x2F8AD6D6, - 0x2B4BCB61, 0x350C9B64, 0x31CD86D3, 0x3C8EA00A, 0x384FBDBD, - 0x4C11DB70, 0x48D0C6C7, 0x4593E01E, 0x4152FDA9, 0x5F15ADAC, - 0x5BD4B01B, 0x569796C2, 0x52568B75, 0x6A1936C8, 0x6ED82B7F, - 0x639B0DA6, 0x675A1011, 0x791D4014, 0x7DDC5DA3, 0x709F7B7A, - 0x745E66CD, 0x9823B6E0, 0x9CE2AB57, 0x91A18D8E, 0x95609039, - 0x8B27C03C, 0x8FE6DD8B, 0x82A5FB52, 0x8664E6E5, 0xBE2B5B58, - 0xBAEA46EF, 0xB7A96036, 0xB3687D81, 0xAD2F2D84, 0xA9EE3033, - 0xA4AD16EA, 0xA06C0B5D, 0xD4326D90, 0xD0F37027, 0xDDB056FE, - 0xD9714B49, 0xC7361B4C, 0xC3F706FB, 0xCEB42022, 0xCA753D95, - 0xF23A8028, 0xF6FB9D9F, 0xFBB8BB46, 0xFF79A6F1, 0xE13EF6F4, - 0xE5FFEB43, 0xE8BCCD9A, 0xEC7DD02D, 0x34867077, 0x30476DC0, - 0x3D044B19, 0x39C556AE, 0x278206AB, 0x23431B1C, 0x2E003DC5, - 0x2AC12072, 0x128E9DCF, 0x164F8078, 0x1B0CA6A1, 0x1FCDBB16, - 0x018AEB13, 0x054BF6A4, 0x0808D07D, 0x0CC9CDCA, 0x7897AB07, - 0x7C56B6B0, 0x71159069, 0x75D48DDE, 0x6B93DDDB, 0x6F52C06C, - 0x6211E6B5, 0x66D0FB02, 0x5E9F46BF, 0x5A5E5B08, 0x571D7DD1, - 0x53DC6066, 0x4D9B3063, 0x495A2DD4, 0x44190B0D, 0x40D816BA, - 0xACA5C697, 0xA864DB20, 0xA527FDF9, 0xA1E6E04E, 0xBFA1B04B, - 0xBB60ADFC, 0xB6238B25, 0xB2E29692, 0x8AAD2B2F, 0x8E6C3698, - 0x832F1041, 0x87EE0DF6, 0x99A95DF3, 0x9D684044, 0x902B669D, - 0x94EA7B2A, 0xE0B41DE7, 0xE4750050, 0xE9362689, 0xEDF73B3E, - 0xF3B06B3B, 0xF771768C, 0xFA325055, 0xFEF34DE2, 0xC6BCF05F, - 0xC27DEDE8, 0xCF3ECB31, 0xCBFFD686, 0xD5B88683, 0xD1799B34, - 0xDC3ABDED, 0xD8FBA05A, 0x690CE0EE, 0x6DCDFD59, 0x608EDB80, - 0x644FC637, 0x7A089632, 0x7EC98B85, 0x738AAD5C, 0x774BB0EB, - 0x4F040D56, 0x4BC510E1, 0x46863638, 0x42472B8F, 0x5C007B8A, - 0x58C1663D, 0x558240E4, 0x51435D53, 0x251D3B9E, 0x21DC2629, - 0x2C9F00F0, 0x285E1D47, 0x36194D42, 0x32D850F5, 0x3F9B762C, - 0x3B5A6B9B, 0x0315D626, 0x07D4CB91, 0x0A97ED48, 0x0E56F0FF, - 0x1011A0FA, 0x14D0BD4D, 0x19939B94, 0x1D528623, 0xF12F560E, - 0xF5EE4BB9, 0xF8AD6D60, 0xFC6C70D7, 0xE22B20D2, 0xE6EA3D65, - 0xEBA91BBC, 0xEF68060B, 0xD727BBB6, 0xD3E6A601, 0xDEA580D8, - 0xDA649D6F, 0xC423CD6A, 0xC0E2D0DD, 0xCDA1F604, 0xC960EBB3, - 0xBD3E8D7E, 0xB9FF90C9, 0xB4BCB610, 0xB07DABA7, 0xAE3AFBA2, - 0xAAFBE615, 0xA7B8C0CC, 0xA379DD7B, 0x9B3660C6, 0x9FF77D71, - 0x92B45BA8, 0x9675461F, 0x8832161A, 0x8CF30BAD, 0x81B02D74, - 0x857130C3, 0x5D8A9099, 0x594B8D2E, 0x5408ABF7, 0x50C9B640, - 0x4E8EE645, 0x4A4FFBF2, 0x470CDD2B, 0x43CDC09C, 0x7B827D21, - 0x7F436096, 0x7200464F, 0x76C15BF8, 0x68860BFD, 0x6C47164A, - 0x61043093, 0x65C52D24, 0x119B4BE9, 0x155A565E, 0x18197087, - 0x1CD86D30, 0x029F3D35, 0x065E2082, 0x0B1D065B, 0x0FDC1BEC, - 0x3793A651, 0x3352BBE6, 0x3E119D3F, 0x3AD08088, 0x2497D08D, - 0x2056CD3A, 0x2D15EBE3, 0x29D4F654, 0xC5A92679, 0xC1683BCE, - 0xCC2B1D17, 0xC8EA00A0, 0xD6AD50A5, 0xD26C4D12, 0xDF2F6BCB, - 0xDBEE767C, 0xE3A1CBC1, 0xE760D676, 0xEA23F0AF, 0xEEE2ED18, - 0xF0A5BD1D, 0xF464A0AA, 0xF9278673, 0xFDE69BC4, 0x89B8FD09, - 0x8D79E0BE, 0x803AC667, 0x84FBDBD0, 0x9ABC8BD5, 0x9E7D9662, - 0x933EB0BB, 0x97FFAD0C, 0xAFB010B1, 0xAB710D06, 0xA6322BDF, - 0xA2F33668, 0xBCB4666D, 0xB8757BDA, 0xB5365D03, 0xB1F740B4 -}; - -int cs_is_tagged(FILE *fp) -{ - char buf[8]; - - fseek(fp, -8, SEEK_END); - fread(buf, 8, 1, fp); - if(*(unsigned long*)buf == CKSUM_MAGIC_NUMBER) - return 1; - return 0; -} - -unsigned long cs_read_sum(FILE *fp) -{ - char buf[8]; - - fseek(fp, -8, SEEK_END); - fread(buf, 8, 1, fp); - return *((unsigned long*)&buf[4]); -} - -int cs_calc_sum(FILE *fp, unsigned long *res, int tagged) -{ - unsigned char buf[BUFLEN]; - unsigned long crc = 0; - uintmax_t length = 0; - size_t bytes_read; - - fseek(fp, 0, SEEK_SET); - - while((bytes_read = fread(buf, 1, BUFLEN, fp)) > 0) - { - unsigned char *cp = buf; - - if(length + bytes_read < length) - return 0; - - if(bytes_read != BUFLEN && tagged) - bytes_read -= 8; - - length += bytes_read; - while(bytes_read--) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ *cp++) & 0xFF]; - } - - if(ferror(fp)) - return 0; - - for(; length; length >>= 8) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ length) & 0xFF]; - - crc = ~crc & 0xFFFFFFFF; - - *res = crc; - - return 1; -} - -unsigned long cs_calc_buf_sum(char *buf, int size) -{ - unsigned long crc = 0; - char *cp = buf; - unsigned long length = size; - - while(size--) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ *cp++) & 0xFF]; - - for(; length; length >>= 8) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ length) & 0xFF]; - - crc = ~crc & 0xFFFFFFFF; - - return crc; -} - -unsigned long cs_calc_buf_sum_ds(char *buf, int buf_size, char *sign, int sign_len) -{ - unsigned long crc = 0; - char *cp = buf; - unsigned long length = buf_size+sign_len; - - while(buf_size--) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ *cp++) & 0xFF]; - - cp = sign; - while(sign_len--) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ *cp++) & 0xFF]; - - - for(; length; length >>= 8) - crc =(crc << 8) ^ crctab[((crc >> 24) ^ length) & 0xFF]; - - crc = ~crc & 0xFFFFFFFF; - - return crc; -} - -int cs_set_sum(FILE *fp, unsigned long sum, int tagged) -{ - unsigned long magic = CKSUM_MAGIC_NUMBER; - - if(tagged) - fseek(fp, -8, SEEK_END); - else - fseek(fp, 0, SEEK_END); - - if(fwrite(&magic, 1, 4, fp) < 4) - return 0; - if(fwrite(&sum, 1, 4, fp) < 4) - return 0; - - return 1; -} - -void cs_get_sum(FILE *fp, unsigned long *sum) -{ - unsigned long magic = 0; - - fseek(fp, -8, SEEK_END); - - fread(&magic, 4, 1, fp); - fread(sum, 4, 1, fp); -} - -int cs_validate_file(char *filename) -{ - FILE *pFile = NULL; - unsigned long sum = 0, res = 0; - - if((pFile = fopen(filename, "r")) == NULL) - return 0; - - if(!cs_is_tagged(pFile)) - { - fclose(pFile); - return 0; - } - if(!cs_calc_sum(pFile, &sum, 1)) - { - fclose(pFile); - return 0; - } - cs_get_sum(pFile, &res); - fclose(pFile); - - if(sum != res) - return 0; - return 1; -} - -/* ********* Library internal data ********* */ -#define CMDLINE_TRUE 1 -#define CMDLINE_FALSE 0 - -typedef enum CMDLINE_ERR -{ - CMDLINE_ERR_OK = 0, /* No Error (OK) */ - CMDLINE_ERR_ERROR = -1, /* Unspecified error */ - CMDLINE_ERR_INVKEY = -3, /* Invalid option key */ - CMDLINE_ERR_MANYARG = -4, /* Too many arguments */ - CMDLINE_ERR_FEWARG = -5, /* Too few arguments */ - CMDLINE_ERR_ILLOPT = -6, /* Option not allowed (illegal option) */ - CMDLINE_ERR_NOMEM = -7, /* No memory */ - CMDLINE_ERR_OPTMIS = -8 /* A mandatory option is missing */ -} CMDLINE_ERR; - -/* Argument list */ -typedef struct CMDLINE_ARG -{ - int index; /* Index of the argument in the command line */ - struct CMDLINE_ARG* p_next; /* Next node in the linked list */ -} CMDLINE_ARG; - -/* Master control block for an option */ -typedef struct CMDLINE_ARGS -{ - int argc; /* Total count of arguments found */ - int optc; /* Total count of options found */ - CMDLINE_ARG* list; /* Argument list */ -} CMDLINE_ARGS; - -/* Master control block for all found arguments */ -typedef struct CMDLINE_DATA -{ - CMDLINE_ARGS opt_args[26]; /* Array of MCBs for each option ('a' through 'z') */ - CMDLINE_ARGS glb_args; /* Global arguments */ - int parsed; /* Internal flag to prevent client calls if library is not initialized */ -} CMDLINE_DATA; - -/* ********* Local Data ********* */ -static CMDLINE_CFG cmdline_cfg; -static CMDLINE_DATA cmdline_data; - -char* cmdline_errmsg = "CMDLINE ERROR"; - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -void* cmdline_getarg_list(char opt) -{ - int index = (opt - 'a'); - - /* Check the validity of the index */ - if((index < 0) || (index > 25)) - { - /* ERROR: Wrong option */ - return NULL; - } - - /* Return a pointer to the ARGS control structure */ - return((void*)(&cmdline_data.opt_args[index])); -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -int cmdline_getarg_count(void* list) -{ - CMDLINE_ARGS* p_args = (CMDLINE_ARGS*)list; - - /* Return number of arguments for this option */ - return(p_args->argc); -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -int cmdline_getopt_count(char opt) -{ - int index; - - /* Calculate index value */ - index = opt - 'a'; - if(index < 0 || index > 25) return -1; - - /* Return number of arguments for this option */ - return(cmdline_data.opt_args[index].optc); -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -int cmdline_getarg(void* list, int num) -{ - int i; - CMDLINE_ARGS* p_args = (CMDLINE_ARGS*)list; - CMDLINE_ARG* p_arg; - - /* Search the 'num' argument in the list for this option */ - for(i=0,p_arg=p_args->list; (p_arg!=NULL) && (i<p_args->argc); i++, p_arg=p_arg->p_next) - { - /* if num matches i, we found it */ - if(i==num) return(p_arg->index); - } - /* We did not find the specified argument or the list was empty */ - return -1; -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -int cmdline_configure(CMDLINE_CFG* p_cfg) -{ - /* reset global data */ - memset(&cmdline_cfg,0,sizeof(cmdline_cfg)); - memset(&cmdline_data,0,sizeof(cmdline_data)); - - /* Copy the user's config structure */ - cmdline_cfg = *p_cfg; - return 0; -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -char* cmdline_error(int err) -{ - /* TODO: implement a table of error messages */ - return(cmdline_errmsg); -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -static void cmdline_print_args(CMDLINE_ARGS* p_arglist, char* argv[]) -{ - CMDLINE_ARG* p_arg; - - printf(" Number of times option was specified: %d\n", p_arglist->optc); - printf(" Number of Arguments: %d\n", p_arglist->argc); - - if(p_arglist->argc > 0) - { - printf(" Argument List: "); - - for(p_arg=p_arglist->list; p_arg != NULL; p_arg=p_arg->p_next) - printf("%s ", argv[p_arg->index]); - } - - printf("\n"); -} - -/* *************************************************************** -* Print all found command line options and their arguments -****************************************************************** */ -void cmdline_print(char* argv[]) -{ - int i; - - /* Check if the command line was parsed */ - if(cmdline_data.parsed != CMDLINE_TRUE) - { - printf("The command line has not been parsed yet.\n"); - return; - } - - /* Print out option arguments */ - for( i = 0; i < 26; i++ ) - { - /* Check if the option was specified */ - if(cmdline_data.opt_args[i].optc !=0 ) - { - /* Print out option name and arguments */ - printf("Option: -%c\n", (char)('a'+i)); - cmdline_print_args(&(cmdline_data.opt_args[i]), argv); - } - } - - /* Print out global arguments */ - printf("Global arguments:\n"); - cmdline_print_args(&(cmdline_data.glb_args), argv); -} - -/* *************************************************************** -* Print configuration -****************************************************************** */ -void cmdline_print_cfg(void) -{ - -} - -static void cmdline_argadd(CMDLINE_ARGS* p_arglist, CMDLINE_ARG* p_arg) -{ - CMDLINE_ARG* p_list; - CMDLINE_ARG* p_prev=NULL; - - /* See if we had anything in the list */ - if(p_arglist->argc == 0) - { - /* Link the argument in */ - p_arglist->list = p_arg; - } - else - { - /* Find the tail of the list */ - for(p_list=p_arglist->list; p_list != NULL; p_list=p_list->p_next) - p_prev = p_list; - - /* Link the argument in */ - p_prev->p_next=p_arg; - } - - /* Keep track of arg number */ - p_arglist->argc++; -} - -/* *************************************************************** -* cmdline_read() -* Read and parse command line arguments -****************************************************************** */ -int cmdline_read(int argc, char* argv[]) -{ - int i, option=0; - - /* Process every command line argument in argv[] array */ - for( i = 1; i < argc; i++ ) - { - /* Does the argument start with a dash? */ - if( *argv[i] == '-' ) - { - /* The argument must be two characters: a dash, and a letter */ - if( strlen(argv[i]) != 2 ) - { - /* ERROR: option syntax (needs to be a dash and one letter) */ - return(CMDLINE_ERR_ERROR); - } - - /* Check validity of the option key ('a' through 'z') */ - if( ((*(argv[i] + 1)) < 'a') || ((*(argv[i] + 1)) > 'z') ) - { - /* ERROR: option sysntax (invalid option key) */ - return(CMDLINE_ERR_INVKEY); - } - - /* Calculate the option index */ - option = (*(argv[i] + 1)) - 'a'; - if((option < 0) || (option > 25)) return(CMDLINE_ERR_INVKEY); - - /* Check to see if the option is allowed */ - if( cmdline_cfg.opts[option].flags & CMDLINE_OPTFLAG_ALLOW ) - { - /* Option allowed. */ - cmdline_data.opt_args[option].optc++; - continue; - } - else - { - /* ERROR: Option is not allowed */ - return(CMDLINE_ERR_ILLOPT); - } - } - else - { - /* Read the arguments for the option */ - CMDLINE_ARG* p_arg; - - /* Allocate space for the argument node */ - p_arg = (CMDLINE_ARG*)calloc(1,sizeof(CMDLINE_ARG)); - if( p_arg== NULL ) - { - /* ERROR: Can't allocate memory for the argument index */ - return(CMDLINE_ERR_NOMEM); - } - - /* Initialize the argument */ - p_arg->index = i; - p_arg->p_next = NULL; - - /* Check if we can add to the list of arguments for this option */ - if( (option < 0) /* Do we have to add to the global list? */ - || (cmdline_data.opt_args[option].argc == cmdline_cfg.opts[option].max) /* Did we reach MAX arguments? */ - ) - { - /* This option does not require arguments. Keep the argument in the global list. */ - cmdline_argadd(&(cmdline_data.glb_args), p_arg); - continue; - } - else - { - /* See if the current count has reached max for this option */ - if( cmdline_data.opt_args[option].argc == cmdline_cfg.opts[option].max ) - { - /* ERROR: too many arguments for an option */ - return(CMDLINE_ERR_MANYARG); - } - else - { - /* Link the argument to the arg list of the option */ - cmdline_argadd(&(cmdline_data.opt_args[option]), p_arg); - continue; - } - } - } - } - - /* ****** We read the complete command line. See if what we collected matches the configuration ******* */ - - /* Check every collected option against its configuration */ - for( i=0; i < 26; i++ ) - { - /* Check if this option was allowed */ - if(cmdline_cfg.opts[i].flags & CMDLINE_OPTFLAG_ALLOW) - { - /* See if it was mandatory */ - if(cmdline_cfg.opts[i].flags & CMDLINE_OPTFLAG_MANDAT) - { - /* Check if we really collected this option on the command line. */ - if(cmdline_data.opt_args[i].optc == 0) - { - /* ERROR: a missing mandatory option */ - return(CMDLINE_ERR_OPTMIS); - } - else - { - /* Option was there. Check how many args we got for it. */ - if(cmdline_data.opt_args[i].argc < cmdline_cfg.opts[i].min) - { - /* ERROR: too few arguments for an option */ - return(CMDLINE_ERR_FEWARG); - } - else - { - /* This mandatory option was proper. */ - continue; - } - } - } - else /* This is non-mandatory option: */ - { - /* Check if the option was specified on the command line */ - if(cmdline_data.opt_args[i].optc == 0) - { - /* option wasn't specified, go to the next */ - continue; - } - else - { - /* Option was there. Check how many args we collected for it. */ - if(cmdline_data.opt_args[i].argc < cmdline_cfg.opts[i].min) - { - /* ERROR: too few arguments for a non-mandatory option */ - return(CMDLINE_ERR_FEWARG); - } - else - { - /* This non-mandatory option was proper. */ - continue; - } - } - } - } - else /* Option was not allowed. */ - { - /* We should not get here as the non-allowed options should have been - trapped eariler. */ - } - } - - /* Command line was proper as far as the number of options and their arguments */ - cmdline_data.parsed = CMDLINE_TRUE; - return(CMDLINE_ERR_OK); -} |